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From 4703c08fe3a8bfa1bc9b893e8bde365b1cbeffd9 Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Mon, 6 Aug 2018 18:14:11 +0200
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Subject: [PATCH] logind: save/restore User object's "stopping" field during
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restarts
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Whether we are stopping or not is highly relevant, hence don't forget it
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across restarts.
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(cherry picked from commit d865bc024bf28c17120d7322a81e9a99997a59f6)
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Related: #1642460
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---
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src/login/logind-user.c | 20 +++++++++++++++-----
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src/login/logind-user.h | 5 +++--
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2 files changed, 18 insertions(+), 7 deletions(-)
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diff --git a/src/login/logind-user.c b/src/login/logind-user.c
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index 17ed361411..35b2ca5489 100644
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--- a/src/login/logind-user.c
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+++ b/src/login/logind-user.c
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@@ -136,9 +136,11 @@ static int user_save_internal(User *u) {
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fprintf(f,
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"# This is private data. Do not parse.\n"
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"NAME=%s\n"
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- "STATE=%s\n",
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+ "STATE=%s\n" /* friendly user-facing state */
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+ "STOPPING=%s\n", /* low-level state */
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u->name,
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- user_state_to_string(user_get_state(u)));
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+ user_state_to_string(user_get_state(u)),
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+ yes_no(u->stopping));
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/* LEGACY: no-one reads RUNTIME= anymore, drop it at some point */
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if (u->runtime_path)
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@@ -277,14 +279,14 @@ int user_save(User *u) {
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}
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int user_load(User *u) {
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- _cleanup_free_ char *realtime = NULL, *monotonic = NULL;
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+ _cleanup_free_ char *realtime = NULL, *monotonic = NULL, *stopping = NULL;
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int r;
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assert(u);
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r = parse_env_file(NULL, u->state_file, NEWLINE,
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"SERVICE_JOB", &u->service_job,
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- "SLICE_JOB", &u->slice_job,
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+ "STOPPING", &stopping,
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"REALTIME", &realtime,
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"MONOTONIC", &monotonic,
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NULL);
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@@ -293,12 +295,20 @@ int user_load(User *u) {
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if (r < 0)
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return log_error_errno(r, "Failed to read %s: %m", u->state_file);
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+ if (stopping) {
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+ r = parse_boolean(stopping);
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+ if (r < 0)
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+ log_debug_errno(r, "Failed to parse 'STOPPING' boolean: %s", stopping);
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+ else
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+ u->stopping = r;
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+ }
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+
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if (realtime)
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timestamp_deserialize(realtime, &u->timestamp.realtime);
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if (monotonic)
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timestamp_deserialize(monotonic, &u->timestamp.monotonic);
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- return r;
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+ return 0;
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}
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static int user_start_service(User *u) {
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diff --git a/src/login/logind-user.h b/src/login/logind-user.h
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index eba2325284..03e020b870 100644
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--- a/src/login/logind-user.h
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+++ b/src/login/logind-user.h
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@@ -36,8 +36,9 @@ struct User {
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dual_timestamp timestamp;
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bool in_gc_queue:1;
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- bool started:1;
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- bool stopping:1;
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+
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+ bool started:1; /* Whenever the user being started, has been started or is being stopped again. */
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+ bool stopping:1; /* Whenever the user is being stopped or has been stopped. */
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LIST_HEAD(Session, sessions);
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LIST_FIELDS(User, gc_queue);
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